package com.CampusLife.service;

import com.CampusLife.bean.ProductType;

import java.util.List;

public interface IProductTypeService {
    List<ProductType> queryAll();

    ProductType queryById(Integer t_id);

    void add(ProductType productType);

    void update(ProductType productType);

    void delete(ProductType productType);

    List<ProductType>  queryATop();

    List<ProductType>   queryEnd();

    List<ProductType> getbook();
}
